.jd_container {
    width: 100%;
    /** 设计稿大小 650px（早期标准：iPhone4） **/
    /* 当前标准：750px iPhone6（375px）上完美显示（不失真）*/
    max-width: 640px; 
    min-width: 320px; /*保证网页内容布局**/
    margin: 0 auto;
}
/* 顶部搜索 start*/
.jd_search {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
}
.jd_search .jd_search_box {
    width: 100%;
    height: 40px;
    max-width: 640px; 
    min-width: 320px;
    margin: 0 auto;
    background-color: rgba(216, 80, 92, 0); /**未发生滚动时，透明度为0**/
    position: relative;
}
.jd_search .jd_search_box a {
    position: absolute;
    top: 0;
}
.jd_search .jd_search_box .img_logo {
    width: 60px;
    height: 40px;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
.jd_search .jd_search_box .img_logo .icon_logo_img {
    width: 20px;
    height: 20px;
    /* 定位的坐标也会对应进行倍数调整 */
    background-position: 0 0;
}
.jd_search .jd_search_box .login {
    width: 50px;
    height: 40px;   
    text-align: center;
    line-height: 40px;
    color: #fff;
    right: 0;
}
.jd_search .jd_search_box form {
    width: 100%;
    padding: 0 50px 0 60px; /*空出左右两侧的区域*/
}
.jd_search .jd_search_box form input {
    width: 100%; /**继承自父类**/
    height: 30px;
    border-radius: 30px;
    margin-top: 5px;
    padding-left: 30px;
}
.jd_search .jd_search_box form .icon_search {
    width: 20px;
    height: 20px;
    position: absolute;
    left: 65px;
    top: 10px;
    background-position: -83px 0;
    margin-top: 2.5px;
}
/* 顶部搜索 end*/
/* 轮播图 start */
.jd_banner {
    width: 100%;
    position: relative;
    overflow: hidden; /*去除左右图片的显示*/
}
.jd_banner ul:first-child {
    width: 1000%;
    transform: translateX(-10%);
    -webkit-transform: translateX(-10%);
}
.jd_banner ul:first-child li {
    width: 10%;
    float: left;
}
.jd_banner ul:first-child li a {
    width: 100%;
    display: block;
}
.jd_banner ul:first-child li a img {
    width: 100%;
    display: block;
}
.jd_banner ul:last-child {
    position: absolute;
    bottom: 8px;
    left: 50%;
    margin-left: -30px;
    width: 118px;
}
.jd_banner ul:last-child li {
    width: 6px;
    height: 6px;
    border-radius: 3px;
    border: 1px solid #fff;
    float: left;
    margin-left: 10px;
}
.jd_banner ul:last-child li:first-child {
    margin-left: 0;
}
.jd_banner ul:last-child li.now {
    background-color: #fff;
}
/* 轮播图 end */
/* 导航 start */
.jd_nav {
    width: 100%;
    background-color: #fff;
}
.jd_nav ul {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid #ccc;
}
.jd_nav ul li {
    width: 20%;
    float: left;
}
.jd_nav ul li a {
    display: block;
    width: 100%;
}
.jd_nav ul li a img {
    width: 40px;
    height: 40px;
    display: block;
    margin: 0 auto;
}
.jd_nav ul li p {
    color: #666;
    font-size: 12px;
    padding: 5px 0;
    text-align: center;
}
/* 导航 end */
/* 产品区块 start */
.jd_product {
    padding: 0 5px;
}
.jd_product .jd_proBox {
    box-shadow: 0 0 1px #d8d8d8;
    min-height: 200px;
    margin-top: 10px;
    background-color: #fff;
}
.jd_product .jd_proBox .pro_tit {
    height: 34px;
    width: 100%;
    line-height: 34px;
    border-bottom: 1px solid #ddd;
}
.jd_product .jd_proBox .pro_tit.nb {
    border-bottom: none; /**去掉多余的边框**/
}
.jd_product .jd_proBox h3 {
    position: relative; /*伪元素是本身的子级元素*/
    text-indent: 20px; /*缩进效果*/
    font-weight: normal; /*不加粗效果*/
}
.jd_product .jd_proBox h3::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 11;
    width: 3px;
    height: 12px;
    background-color: #d8505c;
}
.jd_product .jd_proBox .pro_con {}
/* 秒杀 start */
.sk_icon {
    width: 16px;
    height: 20px;
    float: left; /**浮动元素可定宽高**/
    background-color: red;
    margin-top: 7px;
    margin-left: 10px;
}
.sk_text {
    color: #d8505c;
    margin-left: 10px;
    float: left;
}
.sk_time {
    float: left;
    margin-left: 10px;
}
.sk_time span {
    width: 16px;
    height: 16px;
    text-align: center;
    line-height: 16px;
    color: #ffffff;
    background-color: #333333;
    margin-left: 3px;
    float: left;
    margin-top: 7px;
}
.sk_time span:nth-child(3n) { /**去掉冒号的样式**/
    background-color: #fff;
    color: #333333;
    width: 3px;
}
.sk_product { /**秒杀商品*/

}
.sk_product li {
    width: 33.33333%;
    float: left;
}
.sk_product li a {
    width: 100%;
    display: block;
    border-right: 1px solid #ddd;
}
.sk_product li:nth-child(3n) a {
    border: none;
}
.sk_product li a img {
    width: 64%;
    margin: 0 auto;
    display: block;
}
.sk_product li p {
    font-size: 12px;
    text-align: center;
    padding: 5px 0;
}
.sk_product li .now_price {
    color: #d8505c;
}
.sk_product li .old_price {
    color: #ccc;
    text-decoration: line-through;
}
/* 秒杀 end */
/* 组合样式 start */
.w_p50 {
    width: 50%;
}
.w_p50 img {
    display: block;
    width: 100%;
}
.b_left {
    border-left: 1px solid #ddd;
}
.b_right {
    border-right: 1px solid #ddd;
}
.b_bottom {
    border-bottom: 1px solid #ddd;
}
/* 组合样式 end */
/* 产品区块 end */